% \documentclass[preview]{standalone}
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\documentclass[draft]{beamer}
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\usepackage[size=custom,height=10,width=40,scale=0.7]{beamerposter}
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% Large images may run out of memory quickly.
% To fix this use the LuaLaTeX compiler, which dynamically
% allocates memory.
\usepackage[braket, qm]{qcircuit}
\usepackage{amsmath}
\pdfmapfile{+sansmathaccent.map}
% \usepackage[landscape]{geometry}
% Comment out the above line if using the beamer documentclass.
\begin{document}

\begin{equation*}
    \Qcircuit @C=1.0em @R=1.0em @!R {
	 	\lstick{ {q}_{0} :  } & \multigate{2}{\mathrm{iqp:[[6\,5\,3];\,[5\,4\,5];\,[3\,5\,1]]}}_<<<{0} & \gate{\mathrm{Unitary}} & \qw & \qw\\
	 	\lstick{ {q}_{1} :  } & \ghost{\mathrm{iqp:[[6\,5\,3];\,[5\,4\,5];\,[3\,5\,1]]}}_<<<{1} & \multigate{1}{\mathrm{Hamiltonian}}_<<<{0} & \qw & \qw\\
	 	\lstick{ {q}_{2} :  } & \ghost{\mathrm{iqp:[[6\,5\,3];\,[5\,4\,5];\,[3\,5\,1]]}}_<<<{2} & \ghost{\mathrm{Hamiltonian}}_<<<{1} & \qw & \qw\\
	 	\lstick{ {q}_{3} :  } & \multigate{2}{|\psi\rangle\,\mathrm{(}\mathrm{0.25\jmath},\mathrm{0.3536},\mathrm{0.25+0.25\jmath},\mathrm{0},...\mathrm{)}}_<<<{0} & \multigate{1}{\mathrm{Isometry}}_<<<{0} & \qw & \qw\\
	 	\lstick{ {q}_{4} :  } & \ghost{|\psi\rangle\,\mathrm{(}\mathrm{0.25\jmath},\mathrm{0.3536},\mathrm{0.25+0.25\jmath},\mathrm{0},...\mathrm{)}}_<<<{1} & \ghost{\mathrm{Isometry}}_<<<{1} & \qw & \qw\\
	 	\lstick{ {q}_{5} :  } & \ghost{|\psi\rangle\,\mathrm{(}\mathrm{0.25\jmath},\mathrm{0.3536},\mathrm{0.25+0.25\jmath},\mathrm{0},...\mathrm{)}}_<<<{2} & \qw & \qw & \qw\\
	 }
\end{equation*}

\end{document}